Definition of vitamin D in English:

vitamin D

Syllabification: vi·ta·min D


Any of a group of vitamins found in liver and fish oils, essential for the absorption of calcium and the prevention of rickets in children and osteomalacia in adults. They include calciferol ( vitamin D2) and cholecalciferol ( vitamin D3).
More example sentences
  • The role of vitamin D in calcium absorption and metabolism for bone health is well known.
  • Good sources of vitamin D are fish liver oil, egg yolk, milk and sunshine.
  • Most fortified soy milks have about as much calcium, vitamin A, and vitamin D as cow's milk.

Definition of vitamin D in:

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Word of the day oleaginous
Pronunciation: ˌəʊlɪˈadʒɪnəs
rich in, covered with, or producing oil; oily